All of WP NET's services require the use of strong passwords. Strong passwords must be long (usually 12 or more characters) and use a mix of uppercase and lowercase letters, as well as numeric and other characters.
We recommend that you use passwordsgenerator.net to create a unique, complex passwords.
For the highest security, most complex passwords, use GRC's Ultra High Security Password Generator.
Also, please remember to never reuse passwords, and always generate a new password for each account or service.